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Gaia21aro




Other surveys detections
None
Comments
Known BL Lac object brightens by 1.6 mag in 6 months
ATels
7844  10807  16093  16783 
AstroNotes
None

TNS ID
AT2021chp

RA - DEC
18.02429   22.74410
01:12:05.83   22:44:38.76
Galactic coords.
129.14255   -39.87839

Alerting date
2021-01-10 21:21:17
Julian date (TCB)
2459225.39
Alerting magnitude
13.65
Historic magnitude
14.73
Historic StdDev
0.38
Class
BL Lac
Publication date
Feb. 9, 2021, 9:45 a.m.
  • See here for an explanation of lightcurves.


Click and scroll down and select one row in the table below to display the corresponding spectrum.


Date JD Average Mag.
2014-08-27 04:16:12 2456896.68 14.76
2014-08-27 08:29:53 2456896.85 14.76
2015-02-16 14:42:43 2457070.11 15.00
2015-07-29 19:11:00 2457233.30 15.02
2015-08-20 19:13:20 2457255.30 14.90
2015-08-20 20:59:55 2457255.37 14.88
2016-01-07 14:29:49 2457395.10 14.57
2016-01-07 16:16:23 2457395.18 14.59
2016-02-08 07:59:04 2457426.83 14.53
2016-02-25 20:02:48 2457444.34 14.48
2016-07-08 20:37:58 2457578.36 15.37
2016-07-08 22:24:33 2457578.43 15.26
2016-08-13 08:10:10 2457613.84 15.22
2016-08-13 09:56:45 2457613.91 15.22
2016-12-01 22:19:44 2457724.43 15.02
2016-12-02 00:06:17 2457724.50 15.03
2016-12-11 04:25:18 2457733.68 15.11
2016-12-11 06:11:52 2457733.76 15.11
2016-12-11 10:25:31 2457733.93 15.10
2017-01-16 23:24:15 2457770.48 14.82
2017-02-25 00:08:46 2457809.51 14.90
2017-02-25 04:22:25 2457809.68 14.93
2017-02-25 06:08:59 2457809.76 14.94
2017-02-25 16:22:50 2457810.18 14.91
2017-03-02 04:26:21 2457814.68 14.73
2017-03-02 10:26:33 2457814.94 14.75
2017-03-02 12:13:07 2457815.01 14.76
2017-03-02 16:26:46 2457815.19 14.84
2017-03-02 18:13:20 2457815.26 14.88
2017-03-02 22:26:59 2457815.44 14.91
2017-03-03 00:13:33 2457815.51 14.90
2017-05-30 23:27:19 2457904.48 14.61
2017-05-31 01:13:53 2457904.55 14.59
2017-05-31 05:27:34 2457904.73 14.64
2017-06-11 17:36:53 2457916.23 14.42
2017-06-11 19:23:28 2457916.31 14.40
2017-06-11 23:37:09 2457916.48 14.39
2017-06-12 01:23:44 2457916.56 14.39
2017-07-20 00:58:49 2457954.54 14.60
2017-08-30 18:20:49 2457996.26 13.94
2017-08-30 22:34:31 2457996.44 13.98
2017-08-31 00:21:05 2457996.51 14.01
2017-08-31 06:21:21 2457996.76 13.96
2017-09-04 06:25:16 2458000.77 14.17
2017-09-04 10:38:57 2458000.94 14.17
2017-09-04 12:25:32 2458001.02 14.17
2017-09-04 16:39:13 2458001.19 14.21
2017-09-04 22:39:28 2458001.44 14.23
2017-09-05 00:26:03 2458001.52 14.25
2017-12-09 12:41:39 2458097.03 14.29
2017-12-26 14:29:46 2458114.10 14.16
2018-01-27 12:08:37 2458146.01 14.13
2018-01-27 13:55:11 2458146.08 14.13
2018-06-08 02:19:56 2458277.60 14.53
2018-06-29 00:40:17 2458298.53 15.25
2018-06-29 02:26:51 2458298.60 15.27
2018-07-31 02:10:07 2458330.59 15.39
2018-12-18 21:31:58 2458471.40 14.68
2019-01-10 01:37:25 2458493.57 15.21
2019-01-10 03:23:59 2458493.64 15.28
2019-02-06 19:16:55 2458521.30 15.66
2019-02-06 21:03:28 2458521.38 15.60
2019-06-18 07:43:27 2458652.82 14.82
2019-08-11 12:03:20 2458707.00 14.55
2020-01-13 20:51:06 2458862.37 14.62
2020-02-07 23:32:55 2458887.48 15.10
2020-06-28 12:55:36 2459029.04 15.30
2020-06-28 14:42:11 2459029.11 15.27
2020-07-27 14:09:21 2459058.09 14.81
2020-07-27 15:55:56 2459058.16 14.82
2020-12-19 01:43:42 2459202.57 13.93
2020-12-19 03:30:15 2459202.65 13.91
2021-01-10 21:21:17 2459225.39 13.65
2021-06-18 15:28:43 2459384.14 14.18
2021-06-18 19:42:24 2459384.32 14.19
2021-08-11 07:32:32 2459437.81 14.08
2021-08-11 09:19:07 2459437.89 14.05
2021-12-29 02:49:50 2459577.62 14.93
2022-01-25 08:29:13 2459604.85 14.76
2022-02-17 08:23:30 2459627.85 14.81
2022-02-17 10:10:04 2459627.92 14.82
2022-07-31 02:37:35 2459791.61 14.96
2022-07-31 04:24:10 2459791.68 14.99
2022-08-21 10:26:59 2459812.94 14.40
2023-02-09 11:11:46 2459984.97 14.62
2023-02-09 15:25:24 2459985.14 14.64
2023-02-26 11:16:21 2460001.97 15.24
2023-07-10 17:52:12 2460136.24 14.76
2023-08-15 15:36:45 2460172.15 15.10
2023-08-15 17:23:20 2460172.22 15.08
2023-08-30 17:31:44 2460187.23 15.48
2023-12-13 11:51:34 2460291.99 15.10
2023-12-13 13:38:08 2460292.07 15.11



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